1903.] NATURAL SCIENCES OF PHILADELPHIA. 23 



N. M., appear indistinguishable from specimens of sononensis collected 



by the Mexican Boundary Survey. 



Peromyacus truei (Shufeldt). 



1885. Hesperomys truei Shufeldt, Proc. U. S. National Museum, VIII, p. 407, 

 September 14, 1885. (Fort Wingate, N. M .) 



Six specimens from Hale's Ranch, Ruidoso, Lincoln county. X. M., 

 appear identical with a topotype from the collection of the U. S. Na- 

 tional jMuseum. An apparently immature specimen from Las ^^egas, 

 collected b}^ Emerson Atkins, and submitted by Prof. Cockerell. appears 

 to be referable to this form. 

 Peromyscus tornillo Mearns. 



1896. Peromyscus iornillo Mearns, Preliminary Diagnoses of Xew Mammals 

 from the Mexican Border of the United States, p. 3, March 25, 1896. 

 (Near El Paso, Tex.) 



Specimens from Mesilla, Donna Ana county, and Clapham, LTnion 

 county, N. M., are slightly darker than the type of tornillo, though appa- 

 rently referable to the same form. 



Peromyscus rufinus (Merriam). 



1890. Hesperomys leucopvs rufinus Merriam, North American Fauna. No. 3, 

 p. 65, September 11, 1890. (San Francisco Mountain, Ariz.) 



Six specimens examined from Forks of Ruidoso, Lincoln county, and 



Mescalero, Otero county, N. M. 



Sigmodon hispidus berlandieri (Baird). 



1855. Sigmodon berlandieri Baird, Proc. Acad. Nat. Sci. Phila., ^'II, p. 333. 

 (Rio Nazas, Coahuila, Mex.) 



Two specimens examined from Mesilla, Donna Ana county, X. M., 



and Pecos, Reeves county, T^ex. 



Neotoma micropus canescens Alleu. 



1891. Neotoma micropus canescens Allen, Bull. Amer. Mus. Nat. Hist., Ill, 

 p. 285, June 30, 1891. (North Beaver creek. Panhandle of Oklahoma.) 



A specimen from Pecos, Reeves county, Tex., differs considerably 

 from a Brownsville, Tex., specimen, and agrees with a specimen from 

 Fort Hancock, Tex., in the much paler coloration. 



Neotoma mexicana Baird. 



1855. Neotoma mexicana Baird, Proc. Acad. Nat Sci. Phila.. ^'11. p. 333. 

 (Mountains near Chihuahua, Mex.) 



Seven specimens examined from the following localities: Ruidoso, 



Forks of Ruidoso and Hale's Ranch, Lincoln county, and Mescalero, 



Otero county, N. M. 



Cratogeomys castanops (Baird). 



1852. Pseudostoma castanops Baird, Rep. Stansbury's Exped. Great Salt 

 Lake, p. 313, June, 1852. (Near Las Animas, Colo.) 



Three specimens examined from Pecos, Reeves count}', Tex. 



